FUNDS RECEIVABLE AND CUSTOMER ACCOUNTS AND INVESTMENTS - Schedule of Unrealized Gains (Losses) on Strategic Investments, Excluding Those Accounted for Using the Equity Method (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Net unrealized gains (losses)	$ 79	$ (46)